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Gnesinka [82]
4 years ago
10

7+9+11...+2013-5-7-9-...2011

Mathematics
1 answer:
Troyanec [42]4 years ago
6 0
If you would like to calculate 7 + 9 + 11 + ... + 2011 + 2013 - 5 - 7 - 9 - 11 - ... - 2011, you can do this using the following steps:

7 + 9 + 11 + ... + 2011 + 2013 - 5 - 7 - 9 - 11 - ... - 2011 = (7 + 9 + 11 + ... + 2011) + 2013 - 5 + (- 7 - 9 - 11 - ... - 2011) = 2013 - 5 = 2008

The correct result is 2008.

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Solve Each Equation<br><br> 5. -8(5+4x)=-232<br><br> 6. -84=4(4r+7)
Sever21 [200]

Step-by-step explanation:

<h2>5.</h2>

- 8(5 + 4x) =  - 232

- 40 - 32x =  - 232 \\  - 32x =  - 232 + 40 \\  - 32x =  - 192 \\  \frac{ - 32x}{ - 32}  =  \frac{ - 192}{ - 32}  \\  \\ \huge x = 6

<h2>6.</h2>

- 84 =  4(4r + 7) \\  - 84  =  16r + 28 \\ 16r =  - 84 - 28 \\ 16r =  - 112 \\  \frac{16r}{16}  =  -  \frac{112}{16}  \\  \\  \huge r = 7

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8 0
3 years ago
Can someone give me the answer for this and maybe explain it?​
KatRina [158]

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5x=85

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Step-by-step explanation:

540-139-71-92-9x-5x=0

238-14x=0

238=14x

17=x

5x=85

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